Overpopulation is a term that refers to a situation where there are too many people living in a given area. However, there are other words that can be used to describe this phenomenon. One of these synonyms is overcrowding, which implies a situation where there are too many people in a given space. Another synonym for overpopulation is population explosion, which suggests a sudden and rapid growth in population. Overcrowding and population explosion can both contribute to societal problems such as poverty, lack of resources, and environmental degradation. Other phrases that can be used to describe overpopulation include population surges, population booms, and demographic overload.